{"conversationCode":"257-001","tapeNumber":257,"conversationNumber":1,"identifier":"37-wht-conversation-257-001","startDateTime":"1971-06-10T13:10:00.000Z","endDateTime":"1971-06-10T23:35:00.000Z","startDate":"10-Jun-1971","startTime":"9:10 AM","endDate":"10-Jun-1971","endTime":"7:35 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Nixon, Richard M. (President);","description":"On June 10, 1971, President Richard M. Nixon met in the President's office in the Old Executive Office Building at an unknown time between 9:10 am and 7:35 pm. The Old Executive Office Building taping system captured this recording, which is known as Conversation 257-001 of the White House Tapes.","locationCode":"EOB","recordingDevice":"Old Executive Office Building","latitudeEstimated":38.897567,"longitudeEstimated":-77.039147,"chronCode":1,"chronRelease":"First Chronological Release","chronReleaseDate":"5-Oct-1999","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 257-1\n\nDate: June 10, 1971\nTime: Unknown\nLocation: Executive Office Building\n\nThe President watched television","filename":["257-001-splice.mp3"],"tapeStart":"00:00:26","tapeEnd":"01:32:24","participantsList":["Nixon, Richard M. (President)"],"prevCode":"256-039","nextCode":"258-001","transcript":[{"start":4312.27,"end":4312.47,"text":"Thank you."}],"aiSummary":{"text":"President Nixon spent time observing television coverage in his office in the Old Executive Office Building. No other participants were present during this period. The activity indicates a focus on media monitoring and public relations assessment during the Nixon administration.","topics":["Television","Media monitoring","Public relations","Presidential schedule"],"generatedAt":"2026-04-06T12:08:11.742Z"},"topicSlugs":["television","media-monitoring","public-relations","presidential-schedule"],"audioDurationSec":5518,"audioFiles":[{"file":"257-001-splice.mp3","bytes":88296429,"durationSec":5518.5,"bitrate":128000,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T14:10:25.395Z","originalFilename":["257a.mp3"],"spliceSource":{"spliceType":"bigtape","sourceFiles":["257a.mp3"],"cutStart":27,"cutEnd":5545.5,"adjustedStart":27,"adjustedEnd":5545.5,"boundaryMethod":"llm-alignment","confidence":"medium","splicedAt":"2026-09-18T14:10:25.395Z"},"transcriptBoundary":{"start":28.5,"end":5544,"startMethod":"llm-alignment","endMethod":"llm-alignment"},"transcriptConfidence":"medium","transcriptPrev":{"segments":1,"replacedAt":"2026-09-18T14:11:41.230Z"},"transcriptSource":"bigtape","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/257-001-splice.mp3"],"url":"https://www.easynixon.org/tapes/257-001","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/257/conversation-257-001","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}